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Renderosity Forums / Carrara



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Carrara F.A.Q (Last Updated: 2024 Nov 21 9:55 pm)

 

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Subject: Rusty corrugated iron sheet


AndyCLon ( ) posted Sat, 13 April 2002 at 4:45 PM · edited Thu, 14 November 2024 at 10:02 AM

I am trying to create a sheet of rusty corrugated iron for a backdrop for a piece I am creating. I have had no luck with the formula object. I tried x=u; y=v; z=sin(u); This does not create a wavy sheet?? I've had a little luck with a squashed rectangle and the linear wave modifier but the performance for screen refresh is terrible (PIII 400Mhz 512Mb). When adding a rust shader the performance of the render is dreadfull Any recommendations? Regards, Andy Clark


spinners ( ) posted Sat, 13 April 2002 at 5:21 PM

why not just draw the "side" view in a vector type program (illustrator, freehand) and then import it and extrude? that will give u the shape, and definitly use a map as opposed to a shader if you want any rendering time at all. If your shader is good, then render it on a flat sheet, export it as a texture (picture) and then map it to the sheet


chrisf ( ) posted Sat, 13 April 2002 at 7:37 PM

file_4464.jpg

I don't know if this will help, but a while back I created a corrugated sheet in Ray Dream by using the oval tool, duplicating the top half and shifting it to one side until the edges met. Then I welded the edges, duplicated and welded the result until there was a satisfactory length. Then it was a matter of extruding the shape. I'll try to upload an image I hope will help. Chrisf


ewinemiller ( ) posted Sat, 13 April 2002 at 8:14 PM

You can also use Anything Grooves and the Scanlines shader to do corregated steel.
corregatedsteel.jpg

Eric Winemiller
Digital Carvers Guild
Freeware and commercial 3D extensions
http://digitalcarversguild.com

Eric Winemiller
Digital Carvers Guild
Carrara and LightWave plug-ins


willf ( ) posted Sat, 13 April 2002 at 11:07 PM

Try this tut: http://home.swipnet.se/JEK/tutorial/tutor1.html


AndyCLon ( ) posted Sun, 14 April 2002 at 6:38 AM

Many Thanks Everyone. Andy


LordNakagawa ( ) posted Sun, 14 April 2002 at 10:55 PM

inteats of z=sin(u); try z=sin(36u); remeber it uses radians so piu will give you one cycle of bumps and 10 will get littl3 more less than 12


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